Bug 1199639 - Block access to about:addons for guest profiles. r=mhaigh

--HG--
extra : commitid : BhsXY0CQs7q
extra : rebase_source : 91fe3aaf9d8db34e5bc4207bc6206e81cc27dd8f
extra : amend_source : 2832c984de83935b6059630cc2cfd192ecdbaf20

mobile/android/base/restrictions/GuestProfileConfiguration.java

@@ -39,7 +39,8 @@ public class GuestProfileConfiguration implements RestrictionConfiguration {
     );
 
     private static final List<String> BANNED_URLS = Arrays.asList(
-            "about:config"
+            "about:config",
+            "about:addons"
     );
 
     @Override
@@ -60,6 +61,7 @@ public class GuestProfileConfiguration implements RestrictionConfiguration {
             return false;
         }
 
+        url = url.toLowerCase();
         for (String banned : BANNED_URLS) {
             if (url.startsWith(banned)) {
                 return false;